General Electric Company

William E Schoenborn

Peter John Linko, Iii

Michael A Radomski

In a gas turbine engine including a compressor having a casing with a passage adapted to pass bleed air to a circumferentially extending bleed manifold surrounding the casing, the passage including a surface exposed to incendiary particles periodically entrained in the bleed air, an improvement is provided comprising means for preventing impingement of the particles upon the exposed surface. In one form the means is disposed between the exposed surface and the bleed air and is comprised of a material which, when reacted with the particles, produces a compound which is essentially nonpyrophoric in the environment of the passage.

Compressor protection means

A protection system for use with a bleed manifold of a gas turbine engine is provided and is comprised of barrier means disposed within the manifold for preventing at least a portion of incendiary particles entrained in a fluid flowing instream through the manifold from impinging upon a wall associated with said manifold. Shielding means are also provided for shielding engine casing bleed ports from impingement by the particles.

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Cincinnati, OH, United States of America

William E Schoenborn